As the load on an application increases, the bottlenecks in the underlying infrastructure become more apparent in the form of slow response to user requests. This article discusses many of the server configuration items that can make or break an application’s performance and focuses on steps you can take to optimize Apache and PHP.

Cascading Style Sheets are the foundation on which many of the best websites are built. Using CSS allows developers to describe the common style for the website, in terms of colours, fonts and layouts. In this tutorial, Trenton Moss of Webcredible shares some of his top tips to help you get the most from your CSS.

Long list of Ajax techniques & tutorials: Auto-completion, instant field editing, menus, calendars, interactive elements, visual effects, animation, basic javascripts, as well as an extensive developer
â€™s suite should give you a useful and powerful toolbox you can use every day, without a need to go through hundreds of AJAX-related bookmarks.